debuggers.hg

view xen/include/public/arch-powerpc.h @ 16712:ad0f20f5590a

Rename uintN_t guest handles to uintN, to avoid nameclash with uintN_t
macros during the handle definitions.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Fri Dec 28 15:44:51 2007 +0000 (2007-12-28)
parents 6b42b8c08731
children 692a91e3b262
line source
1 /*
2 * Permission is hereby granted, free of charge, to any person obtaining a copy
3 * of this software and associated documentation files (the "Software"), to
4 * deal in the Software without restriction, including without limitation the
5 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
6 * sell copies of the Software, and to permit persons to whom the Software is
7 * furnished to do so, subject to the following conditions:
8 *
9 * The above copyright notice and this permission notice shall be included in
10 * all copies or substantial portions of the Software.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
17 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
18 * DEALINGS IN THE SOFTWARE.
19 *
20 * Copyright (C) IBM Corp. 2005, 2006
21 *
22 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
23 */
25 #ifndef __XEN_PUBLIC_ARCH_PPC_64_H__
26 #define __XEN_PUBLIC_ARCH_PPC_64_H__
28 #define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
29 typedef struct { \
30 int __pad[(sizeof (long long) - sizeof (void *)) / sizeof (int)]; \
31 type *p; \
32 } __attribute__((__aligned__(8))) __guest_handle_ ## name
34 #define __DEFINE_XEN_GUEST_HANDLE(name, type) \
35 ___DEFINE_XEN_GUEST_HANDLE(name, type)
36 #define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name)
37 #define XEN_GUEST_HANDLE(name) __guest_handle_ ## name
38 #define set_xen_guest_handle(hnd, val) \
39 do { \
40 if (sizeof ((hnd).__pad)) \
41 (hnd).__pad[0] = 0; \
42 (hnd).p = val; \
43 } while (0)
45 #ifdef __XEN_TOOLS__
46 #define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0)
47 #endif
49 #ifndef __ASSEMBLY__
50 /* Guest handles for primitive C types. */
51 __DEFINE_XEN_GUEST_HANDLE(uchar, unsigned char);
52 __DEFINE_XEN_GUEST_HANDLE(uint, unsigned int);
53 __DEFINE_XEN_GUEST_HANDLE(ulong, unsigned long);
54 DEFINE_XEN_GUEST_HANDLE(char);
55 DEFINE_XEN_GUEST_HANDLE(int);
56 DEFINE_XEN_GUEST_HANDLE(long);
57 DEFINE_XEN_GUEST_HANDLE(void);
59 typedef unsigned long long xen_pfn_t;
60 DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
61 #define PRI_xen_pfn "llx"
62 #endif
64 /*
65 * Pointers and other address fields inside interface structures are padded to
66 * 64 bits. This means that field alignments aren't different between 32- and
67 * 64-bit architectures.
68 */
69 /* NB. Multi-level macro ensures __LINE__ is expanded before concatenation. */
70 #define __MEMORY_PADDING(_X)
71 #define _MEMORY_PADDING(_X) __MEMORY_PADDING(_X)
72 #define MEMORY_PADDING _MEMORY_PADDING(__LINE__)
74 /* And the trap vector is... */
75 #define TRAP_INSTR "li 0,-1; sc" /* XXX just "sc"? */
77 #ifndef __ASSEMBLY__
79 #define XENCOMM_INLINE_FLAG (1UL << 63)
81 typedef uint64_t xen_ulong_t;
83 /* User-accessible registers: nost of these need to be saved/restored
84 * for every nested Xen invocation. */
85 struct cpu_user_regs
86 {
87 uint64_t gprs[32];
88 uint64_t lr;
89 uint64_t ctr;
90 uint64_t srr0;
91 uint64_t srr1;
92 uint64_t pc;
93 uint64_t msr;
94 uint64_t fpscr; /* XXX Is this necessary */
95 uint64_t xer;
96 uint64_t hid4; /* debug only */
97 uint64_t dar; /* debug only */
98 uint32_t dsisr; /* debug only */
99 uint32_t cr;
100 uint32_t __pad; /* good spot for another 32bit reg */
101 uint32_t entry_vector;
102 };
103 typedef struct cpu_user_regs cpu_user_regs_t;
105 typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ /* XXX timebase */
107 /* ONLY used to communicate with dom0! See also struct exec_domain. */
108 struct vcpu_guest_context {
109 cpu_user_regs_t user_regs; /* User-level CPU registers */
110 uint64_t sdr1; /* Pagetable base */
111 /* XXX etc */
112 };
113 typedef struct vcpu_guest_context vcpu_guest_context_t;
114 DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t);
116 struct arch_shared_info {
117 uint64_t boot_timebase;
118 };
120 struct arch_vcpu_info {
121 };
123 /* Support for multi-processor guests. */
124 #define MAX_VIRT_CPUS 32
125 #endif
127 #endif